| Windsor HS Winter Guard | CG: Scholastic Regional A |
| Wentzville Liberty HS Winter Guard | CG: Scholastic Regional A |
| Wentzville Holt HS Varsity Winter Guard | CG: Scholastic A |
| Wentzville Holt HS JV Winter Guard | CG: Scholastic AA |
| Washington HS Open Winter Guard | CG: Scholastic Open |
| Timberland HS Winter Guard | CG: Scholastic Regional A |
| St. Francis Borgia HS Winter Guard | CG: Scholastic Regional A |
| St. Clair HS Winter Guard | CG: Scholastic Regional A |
| St. Charles West HS Winter Guard | CG: Scholastic Regional A |
| Seckman HS Winter Guard | CG: Scholastic AA |
| Rockwood Summit HS Winter Guard | CG: Scholastic AA |
| Parkway West HS Winter Guard | CG: Scholastic Regional A |
| Parkway South HS Winter Guard | CG: Scholastic AA |
| Oakville HS Winter Guard | CG: Scholastic AA |
| O'Fallon Township Junior High Winter Guard | CG: Independent Cadet |
| O'Fallon Township HS JV Winter Guard | CG: Scholastic AA |
| Northwest HS Winter Guard | CG: Scholastic Regional A |
| McCluer North HS Winter Guard | CG: Scholastic AA |
| Mattoon HS Winter Guard | CG: Scholastic Regional A |
| Mascoutah HS Winter Guard | CG: Scholastic A |
| Marquette HS Winter Guard | CG: Scholastic A |
| Lafayette HS Winter Guard | CG: Scholastic A |
| Freeburg Community HS Winter Guard | CG: Scholastic AA |
| Francis Howell North HS Winter Guard | CG: Scholastic Open |
| Francis Howell District Middle School Winter Guard | CG: Scholastic Cadet |
| Francis Howell Central HS Winter Guard | CG: Scholastic Regional A |
| Fox HS Winter Guard | CG: Scholastic AA |
| Fort Zumwalt West HS Silver Winter Guard | CG: Scholastic Regional A |
| Fort Zumwalt West HS Purple Winter Guard | CG: Scholastic Regional A |
| Eureka HS Winter Guard | CG: Scholastic AA |
| Edwardsville HS Winter Guard | CG: Scholastic A |
| Collinsville HS Winter Guard | CG: Scholastic Regional A |
| Carmi-White County HS Winter Guard | CG: Scholastic Regional A |
| Belleville East HS Varsity Winter Guard | CG: Scholastic A |
| Belleville East HS JV Winter Guard | CG: Scholastic AA |
| Avidity Independent | CG: Independent Open |
| Alton HS Varsity Winter Guard | CG: Scholastic AA |
| Alton HS JV Winter Guard | CG: Scholastic Regional A |
